package com.zhoukx.bio;


import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * BIO 演示代码
 */
public class BIOServer {

    public static void main(String[] args) throws IOException {
        // 思路:
        //1. 创建一个线程池
        //2. 如果欧客户端连接,就创建一个线程池与之通讯

        ExecutorService executorPool = Executors.newCachedThreadPool();

        ServerSocket serverSocket = new ServerSocket(6666);

        System.out.println("服务器启动了");
        while (true) {
            System.out.println("等待连接");
            // 监听,等待客户端连接
            final Socket accept = serverSocket.accept();
            System.out.println("连接到一个客户端");
            // 创建一个线程,与之通讯
            executorPool.execute(new Runnable() {
                @Override
                public void run() {
                    // 可以和客户端通讯
                    handler(accept);
                }
            });
        }
    }

    /**
     * 编写一个handler方法和客户端通讯
     * @param socket
     */
    public static void handler(Socket socket) {

        byte[] bytes = new byte[1024];
        // 通过socket 获取输入流
        try {

            System.out.println("线程信息 id="+Thread.currentThread().getId()+" 线程的名字:"+ Thread.currentThread().getName());
            InputStream inputStream = socket.getInputStream();

            // 循环读取客户端发送的数据
            while (true) {
                System.out.println("read.....");
                int read = inputStream.read(bytes);
                if (read != -1) {
                    // 输出客户端发送的数据
                    System.out.println(new String(bytes, 0, read));
                } else {
                    break;
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            System.out.println("关闭和client的连接");
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
